./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:51:15,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:51:15,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:51:15,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:51:15,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:51:15,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:51:15,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:51:15,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:51:15,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:51:15,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:51:15,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:51:15,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:51:15,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:51:15,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:51:15,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:51:15,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:51:15,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:51:15,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:51:15,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:51:15,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:51:15,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:51:15,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:51:15,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:51:15,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:51:15,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:51:15,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:51:15,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:51:15,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:51:15,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:51:15,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:51:15,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:51:15,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:51:15,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:51:15,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:51:15,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:51:15,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:51:15,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:51:15,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:51:15,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:51:15,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:51:15,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:51:15,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:51:15,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:51:15,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:51:15,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:51:15,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:51:15,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:51:15,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:51:15,670 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:51:15,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:51:15,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:51:15,671 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:51:15,671 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:51:15,672 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:51:15,672 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:51:15,672 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:51:15,672 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:51:15,672 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:51:15,673 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:51:15,673 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:51:15,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:51:15,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:51:15,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:51:15,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:51:15,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:51:15,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:51:15,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:51:15,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:51:15,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:51:15,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:51:15,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:51:15,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:51:15,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:51:15,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:51:15,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:51:15,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:51:15,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:51:15,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:51:15,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:51:15,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:51:15,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:51:15,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:51:15,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:51:15,683 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2021-11-20 22:51:15,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:51:16,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:51:16,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:51:16,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:51:16,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:51:16,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2021-11-20 22:51:16,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/data/701f21635/cb8c504e15ca456492b6d1c072d9e5bb/FLAG4c0057d71 [2021-11-20 22:51:16,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:51:16,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2021-11-20 22:51:16,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/data/701f21635/cb8c504e15ca456492b6d1c072d9e5bb/FLAG4c0057d71 [2021-11-20 22:51:16,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/data/701f21635/cb8c504e15ca456492b6d1c072d9e5bb [2021-11-20 22:51:16,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:51:16,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:51:16,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:51:16,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:51:16,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:51:16,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:16" (1/1) ... [2021-11-20 22:51:16,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28666891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:16, skipping insertion in model container [2021-11-20 22:51:16,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:16" (1/1) ... [2021-11-20 22:51:16,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:51:17,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:51:17,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2021-11-20 22:51:17,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:51:17,732 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:51:17,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2021-11-20 22:51:17,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:51:17,889 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:51:17,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17 WrapperNode [2021-11-20 22:51:17,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:51:17,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:51:17,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:51:17,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:51:17,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:17,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,057 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-20 22:51:18,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:51:18,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:51:18,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:51:18,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:51:18,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:51:18,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:51:18,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:51:18,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:51:18,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (1/1) ... [2021-11-20 22:51:18,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:51:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:18,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:51:18,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:51:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:51:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:51:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:51:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:51:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 22:51:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 22:51:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:51:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:51:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:51:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:51:18,512 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:51:18,514 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:51:19,794 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:51:20,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:51:20,270 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-20 22:51:20,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:20 BoogieIcfgContainer [2021-11-20 22:51:20,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:51:20,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:51:20,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:51:20,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:51:20,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:51:16" (1/3) ... [2021-11-20 22:51:20,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:20, skipping insertion in model container [2021-11-20 22:51:20,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:17" (2/3) ... [2021-11-20 22:51:20,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:20, skipping insertion in model container [2021-11-20 22:51:20,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:20" (3/3) ... [2021-11-20 22:51:20,285 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-1.i [2021-11-20 22:51:20,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:51:20,291 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 22:51:20,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:51:20,377 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:51:20,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 22:51:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:51:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 22:51:20,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:20,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:20,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:20,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:20,414 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-20 22:51:20,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:20,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413718948] [2021-11-20 22:51:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:20,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:20,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413718948] [2021-11-20 22:51:20,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413718948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:20,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:20,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:51:20,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77382134] [2021-11-20 22:51:20,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:20,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:51:20,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:20,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:51:20,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:51:20,612 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:22,713 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-20 22:51:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:51:22,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 22:51:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:22,761 INFO L225 Difference]: With dead ends: 347 [2021-11-20 22:51:22,761 INFO L226 Difference]: Without dead ends: 220 [2021-11-20 22:51:22,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:51:22,769 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:22,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 22:51:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-20 22:51:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-20 22:51:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:51:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-20 22:51:22,862 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-20 22:51:22,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:22,864 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-20 22:51:22,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-20 22:51:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 22:51:22,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:22,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:22,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:51:22,869 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:22,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:22,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-20 22:51:22,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:22,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042064425] [2021-11-20 22:51:22,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:22,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:22,909 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:51:22,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300795365] [2021-11-20 22:51:22,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:22,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:22,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:22,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:51:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:23,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:51:23,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:23,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:23,543 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042064425] [2021-11-20 22:51:23,544 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:51:23,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300795365] [2021-11-20 22:51:23,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300795365] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:23,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1746225757] [2021-11-20 22:51:23,586 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-20 22:51:23,588 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:51:23,592 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:51:23,598 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:51:23,598 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:51:23,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,930 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:51:23,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 22:51:24,002 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:51:24,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:51:24,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 22:51:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:25,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:51:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:51:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:25,519 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:51:25,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 22:51:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:25,637 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:51:25,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:51:25,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 22:51:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:51:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:51:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:27,002 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 22:51:27,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1746225757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:27,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:51:27,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 22:51:27,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720277822] [2021-11-20 22:51:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:27,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 22:51:27,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 22:51:27,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:27,568 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:31,823 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-20 22:51:31,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:51:31,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-20 22:51:31,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:31,825 INFO L225 Difference]: With dead ends: 265 [2021-11-20 22:51:31,826 INFO L226 Difference]: Without dead ends: 140 [2021-11-20 22:51:31,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:31,828 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:31,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-20 22:51:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-20 22:51:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-20 22:51:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:51:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-20 22:51:31,849 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-20 22:51:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:31,849 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-20 22:51:31,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-20 22:51:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 22:51:31,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:31,853 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:31,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 22:51:32,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:32,054 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:32,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:32,054 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-20 22:51:32,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:32,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686136818] [2021-11-20 22:51:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:32,079 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:51:32,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290754919] [2021-11-20 22:51:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:32,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:32,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:32,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:32,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:51:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:32,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:51:32,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:51:32,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:51:32,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:32,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686136818] [2021-11-20 22:51:32,733 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:51:32,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290754919] [2021-11-20 22:51:32,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290754919] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:32,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1993320405] [2021-11-20 22:51:32,741 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 22:51:32,742 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:51:32,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:51:32,743 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:51:32,743 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:51:32,987 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:51:32,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:51:33,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 22:51:33,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:33,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:33,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:33,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:33,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 22:51:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:51:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:51:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:51:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 22:51:34,588 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-20 22:51:34,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 22:51:34,634 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 22:51:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 22:51:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:51:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:51:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:35,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:35,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:35,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:35,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:35,594 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:51:35,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 22:51:35,632 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:51:35,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 22:51:35,680 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:51:35,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:51:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:51:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:51:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:36,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 22:51:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:51:37,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 22:51:37,332 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-20 22:51:37,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 22:51:37,376 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 22:51:37,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 22:51:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:51:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:37,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:51:38,265 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-20 22:51:38,509 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 22:51:39,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1993320405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:39,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:51:39,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 22:51:39,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048416644] [2021-11-20 22:51:39,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:39,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 22:51:39,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:39,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 22:51:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 22:51:39,559 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:51:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:41,794 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-20 22:51:41,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 22:51:41,795 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-20 22:51:41,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:41,797 INFO L225 Difference]: With dead ends: 267 [2021-11-20 22:51:41,797 INFO L226 Difference]: Without dead ends: 142 [2021-11-20 22:51:41,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 22:51:41,799 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:41,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 2.2s Time] [2021-11-20 22:51:41,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-20 22:51:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-20 22:51:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-20 22:51:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-20 22:51:41,817 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-20 22:51:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:41,818 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-20 22:51:41,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:51:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-20 22:51:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 22:51:41,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:41,821 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:41,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:42,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:42,036 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-20 22:51:42,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340674463] [2021-11-20 22:51:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:42,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:42,064 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:51:42,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113118872] [2021-11-20 22:51:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:42,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:42,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:42,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89ccc25-2abd-4a64-b9e8-1c9ce30db434/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:51:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:42,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:51:42,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:51:42,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:51:42,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:42,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340674463] [2021-11-20 22:51:42,621 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:51:42,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113118872] [2021-11-20 22:51:42,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113118872] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:42,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [143098506] [2021-11-20 22:51:42,625 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 22:51:42,626 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:51:42,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:51:42,626 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:51:42,627 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:51:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:42,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:42,786 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:51:42,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 22:51:42,846 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:51:42,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 22:51:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:42,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:42,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:51:42,930 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:51:42,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:51:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:51:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:51:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:51:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:51:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:51:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 22:51:44,514 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-20 22:51:44,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 22:51:44,564 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 22:51:44,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 22:51:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:51:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:44,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:51:45,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:51:45,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:51:45,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:51:45,246 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 22:51:45,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-20 22:51:45,269 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 22:51:45,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-20 22:51:45,289 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 22:51:45,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-20 22:51:45,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:51:45,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:51:45,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:51:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:51:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:51:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:51:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:51:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:51:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:45,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:51:54,483 WARN L227 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:51:54,484 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 22:51:54,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-20 22:51:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:05,685 WARN L227 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:52:05,685 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 22:52:05,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-20 22:52:17,227 WARN L227 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:52:17,228 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 22:52:17,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-20 22:52:18,090 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 22:52:18,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-20 22:52:19,125 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 22:52:19,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-20 22:52:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:21,660 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 22:52:21,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-20 22:52:22,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:22,862 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 22:52:22,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44